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Finding the Fourth Proportional to 234.48, 351.41 and 173.43

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Solution

The fourth proportional to 234.48, 351.41 and 173.43 is: 259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.48 : 351.41 = 173.43 : x
  2. Step 2: Convert to fraction form
    234.48/351.41 = 173.43/x
  3. Step 3: Cross multiply
    234.48x = 351.41 × 173.43
  4. Step 4: Simplify right side
    234.48x = 60,944.17
  5. Step 5: Solve for x
    x = 60,944.17/234.48
  6. Step 6: Final answer
    x = 259.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.